Test Details
Mnemonic
VGKCA
Ordering Code
3621900
CPT-4 Code(s)
83519
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 1 hour of collection and send 4.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Grossly lipemic or icteric specimens, plasma
Stability
Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 1 month
Refrigerated: 14 days
Frozen: 1 month
Methodology
Quantitative Radioimmunoassay
Reference Range
Negative: 31 pmol/L or less
Indeterminate: 32 - 87 pmol/L
Positive: 88 pmol/L or greater
Indeterminate: 32 - 87 pmol/L
Positive: 88 pmol/L or greater
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes